Murach ASP.NET 4.5 web programming with C# 2012 will be useful for computer training centres since they can make use of the book as a material for a web development course spanning 3-6 months.

Excellent web development site Webmonkey is full of tutorials for various web programming languages. See their PHP Tutorial for Beginners.

For developers keen on using programming language Python, there's a new tutorial that shows how to build a Python application in a Docker container using VS Code and Microsoft's VS Code Docker ...